Clinical Study

Crucial Contributions by T Lymphocytes (Effector, Regulatory, and Checkpoint Inhibitor) and Cytokines (TH1, TH2, and TH17) to a Pathological Complete Response Induced by Neoadjuvant Chemotherapy in Women with Breast Cancer

Table 8

Expression of cytokines and PD-L1(1) in LLABCs(2) (pre-NAC and post-NAC(3)) and pathological complete response elicited in tumours following NAC.

Cytokines and PD-L1 () Pre-NAC Post-NAC
Low/negative expression ()High expression ()Pearson chi-square value
(PCR(4) versus non-PCR)
valueLow/negative expression ()High expression ()Pearson chi-square value
(PCR versus non-PCR)
value

IL-1PCR ()150.9500.330330.6400.424
Non PCR ()4637

IL-2PCR ()240.0190.889331.5710.210
Non PCR ()3782

IFN-γPCR ()061.3710.242240.710.790
Non PCR ()2846

IL-4PCR ()150.1520.696420.4230.515
Non PCR ()1955

IL-10PCR ()240.0710.790514.2670.039
Non PCR ()4637

IL-17PCR ()240.0190.889516.1120.013
Non PCR ()3728

TGF-β(5)PCR ()420.4230.515423.4840.062
Non PCR ()5528

PD-L1PCR ()330.6400.424420.0190.889
Non PCR ()3773

PD-L1: programmed death ligand 1; (2)LLABCs: large and locally advanced breast cancers; (3)NAC: neoadjuvant chemotherapy; (4)PCR (pathological complete response, grade 5: no residual invasive disease); (5)TGF-β: scored as negative or positive; statistically significant.